786. Asalamu ‘alaikum. Please, where does dua’a of Prophet Dawood alaihi salam comes from? What is the story related to it? If you don’t mind, to tell us where does it come from. Is there a hadith about it? Has it been used for a long time in the Muslim world? Thank you, barak Allahu fikum.
The source is Suyuti’s book Al-Rahma fil Tibb wal-Hikma. See here.
Hajj Gibril Haddad